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Finding the Fourth Proportional to 362,563.74, 500,116.26 and 215,288.78

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Solution

The fourth proportional to 362,563.74, 500,116.26 and 215,288.78 is: 296,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,563.74 : 500,116.26 = 215,288.78 : x
  2. Step 2: Convert to fraction form
    362,563.74/500,116.26 = 215,288.78/x
  3. Step 3: Cross multiply
    362,563.74x = 500,116.26 × 215,288.78
  4. Step 4: Simplify right side
    362,563.74x = 107,669,419,473.56
  5. Step 5: Solve for x
    x = 107,669,419,473.56/362,563.74
  6. Step 6: Final answer
    x = 296,966.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.